As avconv (forked from ffmpeg) said, the format of Blu-ray audio stream is called pcm_bluray, but why most of the tutorials say using -acodec pcm_s**le flag (** depends on its sample rate)?
Are they ...

I am trying to combine a ripped stream from YouTube that seems to be in a weird format. Anyway, the video and audio seem to play on their own but when I tried to combine it, the file size is just a ...

I need to stream video from USB webcam. I am using avconv, but it has delay min 5s.
Is possible to stream in real time without delay?
avconv -f video4linux2 -i /dev/video0 -vcodec libx264 -f mpegts ...

So I have a few hundred clips of videos, about 1 to 5 seconds each, that I'd like to all play at 2 seconds each...this means for the 1 second videos, they get stretched out, and the 5 second videos, ...

I have files named like alice.png, bob.png, charlie.png (there are hundreds of them) and I would like to make video from those. What I try is
avconv -i alice.png -i bob.png -i charlie.png -r 25 -b:v ...

How can I delete videos, via terminal, by length of the video?
I have a cutoff point of 30 seconds, and I want to delete anything under that. If I select by size (find . -type f -size +27818098c) it ...

I successfully convert videos to mp4 from images turning the video black and white, is there a way to add contrast and brightness to balance the higher contrast so that it looks sharper? Here is the ...

I'm trying to use avconv to overlay data onto a video. I generate PNG files representing the overlay data at 4fps. The PNG files are the 120px wider and 60px taller than the original video, because ...

I want to strip metadata from MP3 files.
In a brief: How to simply get a stream of pure MP3 frames out of a MP3 file – by means of command line tools? Preferable using tools out of the box of a linux ...

I have a .MTS 1080i of 25fps (mediainfo) that I deinterlaced with avconv -i input.MTS -vf yadif -c:a copy output.mp4. As the wiki says, the default value for yadif is 0 which "outputs one frame for ...

I'm trying to set up three IP cameras I got for using them in ZoneMinder.
According to the webinterface of the camera, the stream can be viewed at: http://192.168.47.202:8090/live.asf
But, since I'm ...

this is my setup:
avconv transcodes a video on the fly and send it to nginx which is configured with rtmp support.
I can watch the stream with vlc for example. But I can't fast forward or so.
I see ...

I can't install libav-dbg due to dependency issues with version numbers of installed packages, that do not correspond to those in the repository. How is this possible, and how can i resolve the issue?
...

Some time ago I was to configure a streaming service, unfortunately there were surprises at every corner... (awesome official bugs, delays on deliveries and etc.) After tweaking around a lot I found ...

I'm trying to stream to twitch a screencast of a remote desktop, but I meet some segmentation fault.
The OS is: Xubuntu 14.04 , xfce, x2go
I tried with Ubuntu 14.04, Ubuntu 12.04, ffmpeg and avconv, ...

I'd like to save my entire avconv command with options so that I can reuse it without typing it in every time. I would still need to specify the input and output filenames. How do I do this? I'm on ...

I want to convert an animated gif and a midi (music) file into a mp4 video. Is it possible?
I saw a lot of topics on documentation, foruns and stackexchange sites, but I didn't find.
It works with 1 ...

I have installed ffmpeg to convert a video. I am trying to convert a .mp4 to a .avi video with the codec wmv1. How to do this?
I am using the command avconv in a Kubuntu terminal. Last attempt I did ...

I am working with some gstreamer based application and some other streaming stuff and I came to some confusion:
What is difference between libav and ffmpeg?
I found no explanation what are they and ...